
Explore accurate parcel and ownership records,
directly sourced from county assessors.
651,727
$1,102,238
2,113 sq ft
$522/sq ft
King County is one of the largest real estate markets with over 651,727 properties in our database.
The average home price of $1.1M positions King County as a premium real estate market.
At $522/sq ft, property values here are significantly above national averages.
Home prices in King County are 52% higher than the Washington average.
| Metric | King County | Washington Avg | vs State |
|---|---|---|---|
| Average Price | $1,102,238 | $726,560 | +52% |
| Avg Sq Ft | 2,113 | 1,982 | +7% |
| Price/Sq Ft | $522 | $367 | +42% |
| Properties | 651,727 | 2,512,749 | -74% |
Based on property sales data from the last 18 months
The average home price in King County, WA is $1,102,238, based on analysis of 651,727 properties in our database.
Our database includes 651,727 properties in King County, WA, providing comprehensive market coverage.
The average price per square foot in King County, WA is $522. This is calculated from an average home price of $1,102,238 and average size of 2,113 square feet.
Homes in King County, WA average 2,113 square feet, with an average price of $1,102,238.
King County, WA is one of 39 counties in Washington with property data available. Browse other counties to compare market conditions and pricing.
Browse property data by city
Showing 24 of 48 cities
Get instant access to comprehensive county assessors-based property data with your free API key
Need Bulk Data?
Email us at hello@realie.ai

© 2026 Realie, Inc. All rights reserved.